Home / 19,565.22-29,264.08-18,147.09

Finding the Fourth Proportional to 19,565.22, 29,264.08 and 18,147.09

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Solution

The fourth proportional to 19,565.22, 29,264.08 and 18,147.09 is: 27,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.22 : 29,264.08 = 18,147.09 : x
  2. Step 2: Convert to fraction form
    19,565.22/29,264.08 = 18,147.09/x
  3. Step 3: Cross multiply
    19,565.22x = 29,264.08 × 18,147.09
  4. Step 4: Simplify right side
    19,565.22x = 531,057,848.16
  5. Step 5: Solve for x
    x = 531,057,848.16/19,565.22
  6. Step 6: Final answer
    x = 27,142.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.